Microsoft JScript runtime error: RSClientController is undefined

Running Windows Vista 64 bit, Sql Server 2008 on a remote server. Using ASP.Net and the Report Viewer control on an asp.net page for a local report. Was also using IIS to host the web site instead of using the web server built into Visual Studio 2008.

Searched and tried everything I could find on the net trying to fix this freaking error. On a whim (and because I didn't know what else to do and was trying everything I could think of) changed the IIS 7.0 app pool to the classic app pool. Angels came singing down from the sky and my report worked.

What a PITA! Hope this post helps someone else.

posted on Wednesday, January 21, 2009 4:15 PM

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# re: Microsoft JScript runtime error: RSClientController is undefined 2/3/2009 4:12 PM Jeff Tu

Your solution helped me. That was great timing as I was getting quite frustrated not knowing what's causing this. Having both 32 and 64bit around just seems to double the amount of bugs, imo.

# re: Microsoft JScript runtime error: RSClientController is undefined 3/2/2009 10:58 PM Param Pavar

This solution also helped me. Thanks a lot. I owe you one

# re: Microsoft JScript runtime error: RSClientController is undefined 3/24/2009 5:34 AM Lextendo

"Hope this post helps someone else"
It sure did! The classic app pool did the trick indeed.

Your post saved the day. Thank you very much.

# re: Microsoft JScript runtime error: RSClientController is undefined 4/14/2009 4:15 PM Lunchy

Changing to classic mode wasn't an option for me (I'm using asp.net mvc). I fixed this by clicking on the application virtual directory in IIS7 and clicking on the 'Handler Mappings' section. Then 'Add Managed Handler'

Request path: Reserved.ReportViewerWebControl.axd

Type: Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a

Name: Reserved.ReportViewerWebControl.axd

Once this was created, it worked fine in the Integraded mode AppPool

# re: Microsoft JScript runtime error: RSClientController is undefined 4/28/2009 12:13 PM gcbrink

Thanks, works like a charm.

# re: Microsoft JScript runtime error: RSClientController is undefined 5/1/2009 7:57 PM ADI GERIMU

Thanks mate, this is realy helped me alot.

# re: Microsoft JScript runtime error: RSClientController is undefined 5/6/2009 2:18 PM Carlos

Hey Lunchy - that was a million dollar comment, I'm also using ASP.NET MVC and had the same issue and now I'm good. Thanks again!!

# re: Microsoft JScript runtime error: RSClientController is undefined 6/3/2009 10:14 PM Phil M

Worked for me too! Any idea why the difference? What's classic versus Integrated pool?

# re: Microsoft JScript runtime error: RSClientController is undefined 7/14/2009 5:28 PM Normstorm

Thank you Lunchy, this frustrated me for hours.

# Microsoft JScript runtime error: 'Type' is undefined 7/15/2009 3:36 AM Anil Kumar

I'm facing the error when I try to create Ajax clientLibrary.js file on visual studio 2008. I just register namespace and class to check it. The error is :
Microsoft JScript runtime error: 'Type' is undefined

# re: Microsoft JScript runtime error: RSClientController is undefined 9/18/2009 1:40 PM Loya

Thanks a lot for putting this on the web :) it helped me.

# re: Microsoft JScript runtime error: RSClientController is undefined 10/16/2009 1:23 AM JR_G

Both solutions worked for me.. thanks mr. poster and lunchy!!!

# re: Microsoft JScript runtime error: RSClientController is undefined 11/4/2009 7:27 AM Mohanish

very thanx man..this works

# DAVETİYE 11/5/2009 6:08 AM davetiye

güzel davetiye örnekleri, davetiye modelleri, düğün davetiyeleri

# re: Microsoft JScript runtime error: RSClientController is undefined 11/9/2009 1:28 AM Sentil

Thanks..it worked for me too

# re: Microsoft JScript runtime error: RSClientController is undefined 11/11/2009 9:26 AM Rob

It did not work for me. Actually recieved an error when trying to map it as if it does not exist. I installed the new version of rsclientprint and then unregistered it and since then I cannot run my reports. Where is this component rendered from or is it an activeX?

# re: Microsoft JScript runtime error: RSClientController is undefined 11/12/2009 3:50 AM Rob

I found my problem. It had to do with authentication. Once, authenticated, it worked. Simple fix...

# re: Microsoft JScript runtime error: RSClientController is undefined 11/16/2009 8:59 PM noyee

perfect......nice one thanx a lot

# re: Microsoft JScript runtime error: RSClientController is undefined 11/19/2009 1:53 PM B2BigAl

Thank you for posting this, I was about ready to blow a gasket trying to figure this out.

Wes Weeks

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